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WAN stuck on 100m/full
I have an RBR850 with exactly the same issue. I've factory reset (per instructions above), upgraded to the latest firmware (V7.2.6.21), used 3 different CAT5E and CAT6 cables and no matter what devi...
Just to close out this thread. I ended up purchasing a used RBR850 to replace the one that one which wouldn't negotiate >100Mbs. That has worked and I can see that I'm getting 2.5Gbs between the modem and my RBR850 and my internet upload/download speeds are back to where they should be. Seem the problem was related to a hardware issue or some type of software/firmware issue that multiple factory resets (following the instructions on this message board) would not take care of.
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
Be sure your using a good quality LAN cable between the modem and router. CAT6A STP is recommended.
My modem is a Netgear Nighthawk CM2000. But If I directly connect a PC laptop or a Macbook to the WAN port the CM2000 it will negotiate to 1Gbs. If I connect the same PC laptop or Macbook to the WAN port of the RBR850 with the same cable it will only negotiate to the 100mbs, the same as if the CM2000 is connected (using the same CAT6A cable). Problem seems to track with the WAN port of the RBR850.
I'd contact NG support and see what can be done:
https://my.netgear.com/support/contact.aspx
https://www.netgear.com/support/contact.aspxJust to close out this thread. I ended up purchasing a used RBR850 to replace the one that one which wouldn't negotiate >100Mbs. That has worked and I can see that I'm getting 2.5Gbs between the modem and my RBR850 and my internet upload/download speeds are back to where they should be. Seem the problem was related to a hardware issue or some type of software/firmware issue that multiple factory resets (following the instructions on this message board) would not take care of.
Thanks for letting us know.
Enjoy.